It's one of the pitfalls of searching the open web: You will often come across an interesting article or book on a publisher's website, where they will want you to pay to view the full text.
If you've already found that perfect article or book outside of the library's databases (e.g. via a Google search), and it comes with a hefty price tag: Stop! And try these steps to see if our library has a copy in one of our databases: